December weather forecastBłenna, Poland

December

Weather in December

December, the first month of the winter in Błenna, is also an icy month, with an average temperature ranging between min -0.5°C (31.1°F) and max 2.6°C (36.7°F).

Temperature

The arrival of December is marked by a minor reduction in average high-temperature, sliding from a frosty 7.4°C (45.3°F) in November to a cold 2.6°C (36.7°F). Night temperatures during December in Błenna, Poland, experience a slight downturn, averaging a freezing cold -0.5°C (31.1°F).

Humidity

In Błenna, the average relative humidity in December is 87%.

Rainfall

In December, the rain falls for 9.6 days. Throughout December, 18mm (0.71") of precipitation is accumulated. Throughout the year, there are 137.4 rainfall days, and 321mm (12.64") of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In December, in Błenna, it is snowing for 7 days. Throughout December, 31mm (1.22") of snow is accumulated. Throughout the year, in Błenna, there are 33.1 snowfall days, and 162mm (6.38") of snow is accumulated.

Daylight

December has the shortest days of the year in Błenna, with an average of 7h and 48min of daylight.
On the first day of the month, sunrise is at 07:32 and sunset at 15:34. On the last day of December, in Błenna, sunrise is at 07:54 and sunset at 15:40 CET.

Sunshine

In December, the average sunshine in Błenna is 3.4h.

UV index

December is the month with the lowest UV index in Błenna, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: The daily high UV index of 1 in December translates into this advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.

Frequently asked questions

In December, in Błenna, the average high-temperature is 2.6°C (36.7°F), and the average low-temperature is -0.5°C (31.1°F).

In Błenna, Poland, the average relative humidity in December is 87%.

In Błenna, Poland, in December, it is raining for 9.6 days, with typically 18mm (0.71") of accumulated precipitation.

In Błenna, Poland, in December, during 7 snowfall days, 31mm (1.22") of snow is typically accumulated.

With an average of 7h and 48min of daylight, December has the shortest days of the year in Błenna, Poland.

In December, the average day length is 7h and 47min.

In December, on the first day of the month, sunrise is at 07:32 and sunset at 15:34. On the last day of the month, in Błenna, sunrise is at 07:54 and sunset at 15:40 CET.

In Błenna, the average sunshine duration in December is 3.4h.

With an average maximum UV index of 1, December is the month with the lowest UV index.

In December, the average daily maximum UV index in Błenna is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Błenna, Poland

  • Average high temperature in December: 2.6°C

The warmest month (with the highest average high temperature) is August (24.7°C).
The month with the lowest average high temperature is January (0.4°C).

  • Average low temperature in December: -0.5°C

The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is January (-3°C).

Average pressure in December
Błenna, Poland

  • Average pressure in December: 1016.1mbar

The month with the highest atmospheric pressure is October (1017.9mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).

Average wind speed in December
Błenna, Poland

  • Average wind speed in December: 15.1km/h

The windiest month (with the highest average wind speed) is December (15.1km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).

Average humidity in December
Błenna, Poland

  • Average humidity in December: 87%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (66%).

Average rainfall in December
Błenna, Poland

  • Average rainfall in December: 18mm

The wettest months (with the highest rainfall) are June and July (46mm).
The driest month (with the least rainfall) is April (12mm).

Average rainfall days in December
Błenna, Poland

  • Average rainfall days in December: 9.6 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (6.8 days).

Average snowfall in December
Błenna, Poland

  • Average snowfall in December: 31mm

The month with the highest snowfall is January (49mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Błenna, Poland

  • Average snowfall days in December: 7 days

The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Błenna, Poland

  • Average daylight in December: 7h and 48min

The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).

  • Average sunshine in December: 3h and 24min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in December
Błenna, Poland

  • Average sunshine days in December: 14.5 days

The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is July (10.9 days).

Average UV index in December
Błenna, Poland

  • Average UV index in December: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in December
Błenna, Poland

  • Average cloud cover in December: 68

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in December
Błenna, Poland

  • Average visibility in December: 8km

The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January, February, November and December (8km).